MAULE AEROSPACE TECHNOLOGY, INC.
MAINTENANCE MANUAL
FOR M-5-220C
Rev. B 21/38
1.
Main wheel bearings - Use aircraft quality bearing grease.
2.
Oleo shock struts – For P/N 4015B oleo spring, use New Holland No.134 hydraulic oil or Ford
Tractor No. ESN-M2C134-D. 10W30 engine oil may also be used. For P/N 4161B oleo spring
use API GL-4 or GL-5 85W-140 gear oil.
3.
Landing gear hinges – Use engine oil.
4.
Hydraulic brake reservoirs - Use Texaco Aircraft Hydraulic Oil 15 conforming to MIL-H-5606E,
or equivalent.
5.
Control Column - Apply light coat of graphite base lubricant to aileron balance chain, torque
tube and control guide. Use lightweight motor oil or LPS 2* on all other bearings.
6.
Use lightweight motor oil or LPS 2*:
• Control pulley bearings and control surface hinges
• Flap bellcrank and mechanism
• Aileron and flap hinge
• Elevator and trim tab
7.
Tailwheel - Good quality wheel bearing grease to tailwheel bearings through zerk fitting.
Same for fork spindle roller bearings, if necessary. See tailwheel maintenance section under
"Landing Gear, Wheels and Brakes".
*LPS 3 recommended for airplanes operating in a potentially corrosive environment.
(Applicable to Polyurethane paint on Ceconite fabric only)
(This aftermarket application is approved for this model - no M-5-220C's were manufactured with this covering and paint)
1. Small holes and damaged areas can easily be repaired without removing the existing
paint topcoat.
2. Trim the damaged area to a rectangular or circular shape.
3. Lightly scuff sand with #320 or #400 wet/dry sandpaper approximately 2 inches around
the repair area.
4. Mix one part gray urethane primer (catalyst) with two (2) parts gray urethane primer (2:1
ratio - 2 parts paint/1 part catalyst), mixing a very small amount only for coating the
sanded area around the repair.
5. Apply one coat (this may be brushed) to the sanded area slightly larger than the size of
To Next Page
Loading...
Need help?
General
